---
title: kCMClockError_UnsupportedOperation
framework: coremedia
role: symbol
role_heading: Global Variable
path: coremedia/kcmclockerror_unsupportedoperation
---

# kCMClockError_UnsupportedOperation

A clock error that indicates the operation isn’t supported.

## Declaration

```swift
var kCMClockError_UnsupportedOperation: OSStatus { get }
```

## See Also

### Constants

- [kCMClockError_MissingRequiredParameter](coremedia/kcmclockerror_missingrequiredparameter.md)
- [kCMClockError_InvalidParameter](coremedia/kcmclockerror_invalidparameter.md)
- [kCMClockError_AllocationFailed](coremedia/kcmclockerror_allocationfailed.md)